2 446 091 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
19568729	8	24.2	old
365313906487	12	38.4	2008-07-14 20:23:57
112513439681023	15	46.7	2014-02-18 11:57:38
42096358436357675777	20	65.2	2018-07-18 10:21:27

ECM

Digits	B1	Curves
25	50000	58 / 280

Estimated T-Level: 21.0 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-13	Oliver Kruse	9C6DF59EA399243E	3	283790	5	3
Verified (Factored)	2017-11-28	storm5510	9C6DF59EA399243E	3	2167769	5	3
Verified	2018-07-20	_p95holder_	9C6DF59EA399243E	4	372306	5	3

History

Date	User	Type	Result
2018-09-28	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2018-07-20	_p95holder_	C-PRP	M2446091/19568729/365313906487/112513439681023/42096358436357675777 : 9C6DF59EA399243E PRP: Verified PRP without proof (not generated)
2018-07-18	TJAOI	F	Factor: 42096358436357675777 / TF: 65-66
2017-11-28	storm5510	C-PRP	M2446091/19568729/365313906487/112513439681023 : 9C6DF59EA399243E PRP: Verified PRP without proof (not generated)
2017-10-13	Oliver Kruse	C-PRP	M2446091/19568729/365313906487/112513439681023 : 9C6DF59EA399243E PRP: Verified PRP without proof (not generated)
2014-02-18	TJAOI	F	Factor: 112513439681023
2008-07-14	George Woltman	F-ECM	Factor: 365313906487